FM / apparmor.d

/etc/apparmor.d

Name	Size	Mode	Actions
abi/	-	0755	rm
abstractions/	-	0755	rm
disable/	-	0755	rm
force-complain/	-	0755	rm
local/	-	0755	rm
tunables/	-	0755	rm
lsb_release	1339	0644	edit dl rm
nvidia_modprobe	1190	0644	edit dl rm
sbin.dhclient	3500	0644	edit dl rm
ubuntu_pro_apt_news	2064	0644	edit dl rm
ubuntu_pro_esm_cache	7169	0644	edit dl rm
usr.bin.man	3448	0644	edit dl rm
usr.bin.tcpdump	1687	0644	edit dl rm
usr.lib.snapd.snap-confine.real	31701	0644	edit dl rm
usr.sbin.mysqld	2006	0644	edit dl rm
usr.sbin.rsyslogd	1592	0644	edit dl rm

Edit: /etc/apparmor.d/ubuntu_pro_esm_cache (7169B)

abi <abi/3.0>,

include <tunables/global>

# attach_disconnected is needed in all profiles defined here because this
# service runs with systemd's PrivateTmp=true

profile ubuntu_pro_esm_cache flags=(attach_disconnected) {
  include <abstractions/base>
  include <abstractions/nameservice>
  include <abstractions/openssl>
  include <abstractions/python>
  include <abstractions/user-tmp>

capability chown,
  capability dac_override,
  capability dac_read_search,
  capability fowner,
  capability kill,
  capability setgid,
  capability setuid,

signal send set=int peer=ubuntu_pro_esm_cache//apt_methods,
  signal send set=int peer=ubuntu_pro_esm_cache//apt_methods_gpgv,

/etc/apt/** r,
  /etc/machine-id r,
  /etc/ubuntu-advantage/uaclient.conf r,
  # GH: #3109
  # Allow reading the os-release file (possibly a symlink to /usr/lib).
  /{etc/,usr/lib/,lib/}os-release r,

/run/ubuntu-advantage/ rw,
  /run/ubuntu-advantage/** rw,

/run/systemd/container/ r,
  /run/systemd/container/** r,

/{,usr/}bin/apt mrix,
  /{,usr/}bin/apt-cache mrix,
  /{,usr/}bin/ischroot mrix,
  /{,usr/}bin/python3.{1,}[0-9] mrix,
  # LP: #2067319, #2123870
  /{bin/,usr/bin/,usr/bin/gnu,usr/lib/cargo/bin/coreutils/}uname mrix,

/{,usr/}bin/cloud-id Cx -> cloud_id,
  # LP: #2067319
  /{,usr/}bin/ps Cx -> ps,
  /{,usr/}bin/systemd-detect-virt Px -> ubuntu_pro_esm_cache_systemd_detect_virt,
  /{,usr/}bin/dpkg Cx -> dpkg,
  /{,usr/}bin/ubuntu-distro-info Cx -> ubuntu_distro_info,
  /{,usr/}lib/apt/methods/gpgv Cx -> apt_methods_gpgv,
  /{,usr/}lib/apt/methods/http Cx -> apt_methods,
  /{,usr/}lib/apt/methods/https Cx -> apt_methods,
  /{,usr/}lib/apt/methods/store Cx -> apt_methods,
  # when there is no status.json cached, esm-cache.service will invoke "snap status"
  /{,usr/}bin/snap PUx,

/usr/share/dpkg/** r,
  /usr/share/keyrings/* r,

/var/cache/apt/** rw,

/var/lib/apt/** r,
  /var/lib/dpkg/** r,
  /var/lib/ubuntu-advantage/** rwk,

/var/log/ubuntu-advantage.log rw,

@{PROC}/@{pid}/fd/ r,
  @{PROC}/1/cgroup r,
  @{PROC}/version_signature r,
  @{PROC}/@{pid}/mountinfo r,
  @{PROC}/@{pid}/status r,
  @{PROC}/@{pid}/stat r,
  @{PROC}/sys/kernel/osrelease r,

# LP: #2131292
  /sys/firmware/devicetree/base/model r,

profile ps flags=(attach_disconnected) {
    include <abstractions/base>
    include <abstractions/nameservice>

capability sys_ptrace,

# GH: #3079
    capability dac_read_search,
    capability dac_override,

# GH: #3119
    ptrace (read,trace),

# LP: #2067319
    /{,usr/}bin/ps mrix,

/dev/tty r,

@{PROC}/ r,
    @{PROC}/@{pid}/** r,
    @{PROC}/uptime r,
    @{PROC}/sys/kernel/** r,
    # GH: #3079
    @{PROC}/tty/drivers r,
    /sys/devices/system/node/ r,
    /sys/devices/system/node/** r,
  }

profile cloud_id flags=(attach_disconnected) {
    include <abstractions/base>
    include <abstractions/nameservice>
    include <abstractions/openssl>
    include <abstractions/python>

ptrace read peer=unconfined,

/etc/cloud/** r,
    /etc/apt/** r,
    /etc/apport/** r,

@{PROC}/@{pid}/fd/ r,
    @{PROC}/cmdline r,
    @{PROC}/1/environ r,
    @{PROC}/1/cmdline r,
    @{PROC}/@{pid}/status r,

/run/cloud-init/** r,

/{,usr/}bin/ r,
    /{,usr/}bin/cloud-id r,
    /{,usr/}bin/python3.{1,}[0-9] mrix,
    # LP: #2067319, #2123870
    /{bin/,usr/bin/,usr/bin/gnu,usr/lib/cargo/bin/coreutils/}uname mrix,

/usr/share/dpkg/** r,

# workarounds for
    # https://gitlab.com/apparmor/apparmor/-/issues/346
    # LP: #2067319
    /{,usr/}bin/systemctl Px -> ubuntu_pro_esm_cache_systemctl,
    /{,usr/}bin/systemd-detect-virt Px -> ubuntu_pro_esm_cache_systemd_detect_virt,

/var/lib/cloud/** r,

}

profile dpkg flags=(attach_disconnected) {
    include <abstractions/base>

capability setgid,

/etc/dpkg/** r,

/{,usr/}bin/dpkg mr,

# LP: #2067810
    /var/lib/dpkg/** r,

}

profile ubuntu_distro_info flags=(attach_disconnected) {
    include <abstractions/base>

/{,usr/}bin/ubuntu-distro-info mr,

/usr/share/distro-info/** r,

}

profile apt_methods flags=(attach_disconnected) {
    include <abstractions/base>
    include <abstractions/nameservice>
    include <abstractions/ssl_certs>
    include <abstractions/user-tmp>

capability setgid,
    capability setuid,

network inet stream,
    network inet6 stream,

signal receive set=int peer=ubuntu_pro_esm_cache,

/ r,
    /etc/dpkg/** r,

/{,usr/}lib/apt/methods/gpgv mr,
    /{,usr/}lib/apt/methods/http mr,
    /{,usr/}lib/apt/methods/https mr,
    /{,usr/}lib/apt/methods/store mr,

/usr/share/dpkg/** r,

# LP: #2067810
    /var/lib/dpkg/** r,

/var/lib/ubuntu-advantage/apt-esm/** rwk,

@{PROC}/@{pid}/cgroup r,
    @{PROC}/@{pid}/fd/ r,

}

profile apt_methods_gpgv flags=(attach_disconnected) {
    include <abstractions/base>
    include <abstractions/nameservice>
    include <abstractions/ssl_certs>
    include <abstractions/user-tmp>

capability setgid,
    capability setuid,

signal receive set=int peer=ubuntu_pro_esm_cache,

/ r,
    /etc/dpkg/** r,

# there are just too many shell script tools that are called, like head,
    # tail, cut, sed, etc
    # LP: #2123870
    /{bin/,usr/bin/,usr/bin/gnu,usr/lib/cargo/bin/coreutils/}* mrix,

/{,usr/}lib/apt/methods/gpgv mr,

/usr/share/dpkg/** r,
    /usr/share/keyrings/* r,

/var/lib/ubuntu-advantage/apt-esm/** r,

@{PROC}/@{pid}/fd/ r,

# apt-config command needs these
    # Note: observed only in xenial tests, but makes sense for all releases
    /etc/apt/** r,
    /var/lib/apt/** r,

# LP: #2067810
    /var/lib/dpkg/** r,

}

# Site-specific additions and overrides. See local/README for details.
  #include <local/ubuntu_pro_esm_cache>
}

# these profiles were initially subprofiles of cloud-id, but:
  # a) that crashes the kernel
  # https://gitlab.com/apparmor/apparmor/-/issues/346
  # b) <= bionic doesn't like the // or - chars in profile names
  # https://gitlab.com/apparmor/apparmor/-/commit/99755daafb8cfde4df542b66f656597a482129ac

profile ubuntu_pro_esm_cache_systemctl flags=(attach_disconnected) {
    include <abstractions/base>

capability net_admin,
    capability sys_ptrace,

ptrace read peer=unconfined,

# LP: #2067319
    /{,usr/}bin/systemctl mr,

/run/systemd/private rw,
    /run/systemd/** r,

@{PROC}/cmdline r,
    # GH: #3119
    @{PROC}/1/* r,
    @{PROC}/@{pid}/stat r,
    @{PROC}/sys/kernel/osrelease r,
    # GH: 3119
    /sys/firmware/efi/efivars/** r,
  }

profile ubuntu_pro_esm_cache_systemd_detect_virt flags=(attach_disconnected) {
    include <abstractions/base>

capability sys_ptrace,

ptrace read peer=unconfined,

/{,usr/}bin/systemd-detect-virt mr,

/run/systemd/** r,

/sys/devices/virtual/** r,
    # GH: #3119
    /sys/firmware/efi/efivars/** r,
    @{PROC}/@{pid}/status r,
    @{PROC}/@{pid}/stat r,
    @{PROC}/1/environ r,
    @{PROC}/1/sched r,
    @{PROC}/cmdline r,
    @{PROC}/1/cmdline r,
    @{PROC}/sys/kernel/osrelease r,

# LP: #2131292
    /sys/firmware/dmi/entries/0-0/raw r,
  }

cmd: